开放式基金是一种委托投资理财产品。用户可以向基金管理机构购买/赎回基金，基金管理机构负责将基金投资于股票等金融产品获取收益，并收取一定的管理费用。假设某基金在成立时每份面值为1元，申购费率为1.5 ，-Open mode fund is a kind of trust investment financial products. Users can to the fund management organ buy/redemptive fund, the fund management organ responsible for funds invest in stock, and other financial products for benefits, and charge some management cost. A fund that was in each face value of 1 yuan, explain the rate is 1.5 ,